package code.filter;

import java.io.IOException;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.springframework.util.StringUtils;

public class ShadowSocketsFilter implements Filter {

    public void init(FilterConfig filterConfig) throws ServletException {
        // TODO Auto-generated method stub

    }

    public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain)
            throws IOException, ServletException {
        // TODO Auto-generated method stub
        HttpServletRequest req = (HttpServletRequest) request;
        HttpServletResponse resp = (HttpServletResponse) response;
        String redirectUrl = req.getParameter("redirectUrl");
        if (!StringUtils.isEmpty(redirectUrl)) {
            resp.sendRedirect(redirectUrl);
        }
    }

    public void destroy() {
        // TODO Auto-generated method stub

    }

}
